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Dwyer LLC User Manual

Llc series conductivity controller

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Specifications

Control Design: Solid state components enclosed in clear
Lexan plug-in style housing. Housing carries no NEMA
rating.
Contact Design: SPDT (1 form C): one normally open (N.O.)
and one normally closed (N.C.), non-powered contacts.
Contact Ratings: 10A @ 120 or 240 VAC resistive, 1/3 H.P.
@120 or 240 VAC.
Contact Life: Mechanical- 5 million operations. Electrical-
100,000 operations minimum at rated load.
Supply Voltage: 24, 120, or 240 VAC models- factory set.
Plus 10%, minus 15%, 50/60 Hz.
Supply Current: 120, 240, 24 VAC, Relay energized 4.4 VA.
Secondary Circuit: 12 VAC RMS voltage on probes, 1.5
milli-amp current.
Sensitivity: Models operate from 0-1,000,000 OHM
maximum specific resistance- factory set.
Temperature: -40 to 150° F. ambient.
Terminals: All connections #6-32 screw type with pressure
clamps.
Time Delays: Standard, 0.5 seconds on rising level. Addi-
tional time delays on rising and/or falling available as option.

Installation

1. Install octal socket in appropriate enclosure
using two (2) #6 or #8 metal screws.
1A. Install rail mount socket on appropriate rail
(DIN mount) in appropriate enclosure if
applicable.
2. Wire control per wiring diagram, following N.E.C.
and local codes
3. Install control module in socket.

This bulletin should be used by experienced personnel as a guide to the installation of series LLC controls. Selection or
installation of equipment should always be accompanied by competent technical assistance. We encourage you to
contact Dwyer or its representative if further information is required.

Sensitivities vs Maximum

Probe Wire Distance

*

*

Based on type MTW or THHN wire, #14 or #16 Awg.

Use copper (60/70° C) wire only. Torque to 20 inch pounds.

Dimensional Diagram

2-3/8”

3-1/2”

5/8”

2-3/4”

11/64”

Dia.

2.0”

1-11/16”

1-5/32”

2-5/16”

LLC Series Conductivity Controller

Installation and Operation Bulletin

A or K

B or L

C or M

D or N

E or P

F or R

G or S

Sensitivity

Character

4.7

10

26

50

100

470

1,000

Sensitivity

(K Ohms)

10,000

5,700

2,200

1,075

570

270

38

Distance

(Ft)